diff --git a/muxer.cpp b/muxer.cpp
index 655c8e6..892b407 100644
--- a/muxer.cpp
+++ b/muxer.cpp
@@ -6,6 +6,9 @@ extern "C" {
 }
 #include <iostream>
 
+#define AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22)
+#define CODEC_FLAG_GLOBAL_HEADER AV_CODEC_FLAG_GLOBAL_HEADER
+
 namespace jt
 {
 
@@ -23,8 +26,7 @@ std::string FFmpegErrorString(int code)  {
 
 Muxer::Muxer(const std::string &format,
              const std::string &output_file) noexcept
-  :output_file_(output_file), output_format_(format) {
-  av_register_all();
+  :output_format_(format), output_file_(output_file) {
   avformat_network_init();
   interrupt_cb_.reset(new AVIOInterruptCB);
   interrupt_cb_->callback = InterruptCallBack;
@@ -108,7 +110,7 @@ bool Muxer::AddVideoStream(int width,
   }
 
   AVCodecContext *vCodecContext = video_stream_->codec;
-  vCodecContext->pix_fmt = PIX_FMT_YUV420P;
+  vCodecContext->pix_fmt = AV_PIX_FMT_YUV420P;
   vCodecContext->width = width;
   vCodecContext->height = height;
   vCodecContext->codec_type = AVMEDIA_TYPE_VIDEO;
diff --git a/test.cpp b/test.cpp
index 91f3613..939acb0 100644
--- a/test.cpp
+++ b/test.cpp
@@ -10,13 +10,12 @@ extern "C" {
 
 #include <memory>
 #include <iostream>
-#include "muxer/muxer.h"
+#include "muxer.h"
 
 int main(int argc, char* argv[]) {
   AVFormatContext *ifmt_ctx = NULL;
-  const char *in_filename  = "/Users/jerett/Desktop/shenda1.mp4";//Input file URL
+  const char *in_filename  = "./test.mp4";//Input file URL
 
-  av_register_all();
   int ret = 0;
   //Input
   if ((ret = avformat_open_input(&ifmt_ctx, in_filename, 0, 0)) < 0) {
@@ -28,7 +27,7 @@ int main(int argc, char* argv[]) {
     return -1;
   }
 
-  jt::Muxer muxer("mp4", "/Users/jerett/Desktop/out.mp4");
+  jt::Muxer muxer("mp4", "out.mp4");
 
   std::map<std::string, std::string> options;
   muxer.Open(options);
@@ -79,7 +78,7 @@ int main(int argc, char* argv[]) {
       double timestamp = pkt.pts * av_q2d(read_stream->time_base) * 1000;
       muxer.WriteAAC(pkt.data, pkt.size, timestamp);
     }
-    av_free_packet(&pkt);
+    av_packet_unref(&pkt);
   }
 
   if (ret < 0 && ret != AVERROR_EOF) {